mach-davinci: Hard-code the default SPL_LDSCRIPT path

As there is only one linker script to use in this case, rather than use
the BOARDDIR variable hard-code the path.

Cc: Lokesh Vutla <lokeshvutla@ti.com>
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 8a81c07..6eca8db 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -135,6 +135,6 @@
 source "board/lego/ev3/Kconfig"
 
 config SPL_LDSCRIPT
-	default "board/$(BOARDDIR)/u-boot-spl-da850evm.lds"
+	default "board/davinci/da8xxevm/u-boot-spl-da850evm.lds"
 
 endif